The modification of the QGP by the traversing partons alters the hydrodynamical evolution of the QGP. A joint description of parton branching and QGP modifications has been explored in [1]}, [2]}. However, for the evolution of the QGP these effects have been argued to be small [3]}. Due to momentum conservation, the modifications of the QGP are strongest in the vicinity of hard jets. A far more phenomenologically important consequence of the disturbance of the QGP by the traversing partons is thus that this part of this disturbance will be reconstructed as part of a jet. While these QGP response contributions to jets are generically expected to be small, they have been shown [4]}, [5]}, [6]}, [7]}, [8]}, [9]}, [10]}, [11]} to be responsible for strong modifications of jet substructure observables.
As these observables have become central to current studies of QGP with jets [12]}, an accurate description of this class of jet modifications is an essential part of the study jets in heavy ion collisions.
